High Order Vortex Wave Antenna and Device and Method for Generating and Receiving High Order Vortex Wave

ABSTRACT

A high order vortex wave antenna includes N uniform circle array antennas. The uniform circle array antenna includes M antenna array elements distributed uniformly in axial symmetry on a first circle with a radius of r1. Each antenna array element coincides with an adjacent element after rotating around a center of the first circle by an angle of 2π/M Centers of the first circles of all uniform circle array antennas are distributed uniformly in axial symmetry on a second circle with a radius of r2. Each uniform circle array antenna coincides with an adjacent uniform circle array antenna after rotating around a center of the second circle by an angle of 2π/N.

TECHNICAL FIELD

The present invention relates to the field of wireless communicationsignal processing technology, particularly to a high order vortex waveantenna and a device and a method for generating and receiving highorder vortex wave.

BACKGROUND

For a practitioner of communication science and technology, seeking anovel method to increase channel capacity of a system without increasedbandwidth is a subject for ever. At present, there are establishedtechnologies for improving channel capacities of conventional wirelesscommunication systems. People are resorting to non-conventionalelectromagnetic wave field for technical breakthroughs. According toclassical electrodynamics theories, vortex electromagnetic waves of samefrequency and different modes may share channels at the same time. BoThidé and his Italy colleague team have demonstrated the experiment ofindependent information transmission at the same time in the samefrequency with vortex wave and planar wave, which verified thecapability of improving channel capacity of a wireless system withvortex wave, providing a new way for further increasing channel capacityof existing communication systems.

In order to apply vortex wave technology to the radio frequency band,continuous efforts have been made. Main research achievements reportedin publications in the art are as follows. In 2010, S. M. Mohammadi andBo Thidé et al. proposed a method for generating vortex waves based on aring array antenna. In 2011, F. Tamburini et al. experimentally verifieda method for generating vortex waves with an aperture antenna having an8 order spin ladder-shaped reflector. In 2012, Alan Tennant et al.verified by simulation the method for generating vortex waves oindependent modes at a plurality of frequencies at th same time using aTSA (Time Switched Array) ring array. In 2013, Qiang Bai and Tennant Aet al. simulated a method for generating vortex waves with an 8 elementphased microstrip uniform circular array. In 2014, Qiang Bai et al.verified experimentally the generation of vortex waves with 8-elementphased microstrip uniform circular array antenna. In 2014, Palacin B etal. studied the application of 8×8 Butler matrix in th 8-element uniformcircular array antenna and generated 8 vortex waves of independent modesat the same carrier frequency at the same time. In 2015, Wei Wen-long etal. designed a ring phase shifter with a carrier frequency of 2.5 GHzfor a 4-element phased microstrip uniform circular array vortex EMantenna. In 2015, Gui Liang-qi et al. from Huazhong University ofScience and Technology simulated the method for generating vortex waveswith grooved circular array antenna.

As reported in prior art publications, the larger the number ofavailable modes for the vortex waves in a communication system is, themore significant the capacity improvement for the system is, andaccordingly the larger the physical dimensions required for the systemreceiving/transmitting antennas, which is adverse to the movement andmaintenance of the communication system. Therefore, studyingtechnologies for generating high order vortex waves with antennas ofrelatively small physical dimensions has theoretical and practicalsignificance. at present, there are rare reports about the method forgenerating and receiving high order multi-mode vortex waves in wirelesscommunication field.

SUMMARY

The object of the present invention is to provide a high order vortexwave antenna and a device and method for generating and receiving highorder vortex waves to address the technical problem of difficulty ofgenerating and receiving high order vortex waves in prior art.

The technical solution of the present invention is a high order vortexwave antenna characterized by comprising N uniform circle arrayantennas.

Said uniform circle array antenna comprises M antenna array elementsdistributed uniformly in axial symmetry on a first circle with a radiusof r₁, and each antenna array element coincides with an adjacent elementafter rotating around a center of the first circle by an angle of 2π/M.

Centers of the first circles of all uniform circle array antennas aredistributed uniformly in axial symmetry on a second circle with a radiusof r₂, and each uniform circle array antenna coincides with an adjacentuniform circle array antenna after rotating around a center of thesecond circle by an angle of 2π/N.

Further, a spacing between two adjacent elemental antennas is greaterthan λ/2, and a spacing between two adjacent uniform circle arrayantennas is greater than λ/2, wherein λ is a wavelength of carrier wave.

The present invention further provides a device for generating highorder vortex waves characterized by comprising the high order vortexwave antenna as described above, a parameter controller, a N×M phaseshifter and a M×N phase shifter; wherein said parameter controller isconfigured to control signal input, grouping and output of the N×M phaseshifter and the M×N phase shifter; said N×M phase shifter is configuredto phase shift the input signals and output phase shifted results to theM×N phase shifter, said M×N phase shifter is configured to phase shiftsignals transmitted by the N×M phase shifter and output them to the highorder vortex wave antenna, and said high order vortex wave antenna usesthe signals transmitted by the M×N phase shifter as stimulation togenerate high order vortex waves.

The present invention further provides a method for generating highorder vortex waves, characterized by comprising steps of:

1) phase shifting, by the N×M phase shifter, the input signals A_(n)^((m))(t) to generate signals s_(n) ^((m))(t); wherein n is a count ofuniform circle array antennas in the high order vortex wave antennas,n=0, 1, 2 . . . (N−1); in is a count of antenna array elements in theuniform circle array antenna, m=0, 1, 2 . . . (M−1);

2) grouping signals s_(n) ^((m))(t) and outputting them to the N×N phaseshifter;

3) phase shifting, by the M×N phase shifter, signals s_(n) ^((m))(t),generating and outputting signals y_(n) ^((m))(t); and

4) using the signals y_(n) ^((m))(t) as a stimulation for a m^(th)antenna array element on a n^(th) uniform circle array antenna in thehigh order vortex wave antenna to generate high order vortex wavesignals.

Further, the stimulation for the m^(th) antenna array element on then^(th) uniform circle array antenna in the high order vortex waveantenna is:

${y_{n}^{(m)}(t)} = {\sum\limits_{k = 0}^{N - 1}\; {\sum\limits_{p = 0}^{M - 1}\; {{{\overset{.}{A}}_{n}^{p,k}(t)}e^{j{({{{p \cdot \frac{2\pi}{M}}m} + {{({({k + p})})}_{N} \cdot \frac{2\pi}{N} \cdot n}})}}}}}$

wherein, p is a mode of the vortex waves generated by the uniform circlearray antenna, p=0, 1, 2 . . . (N−1); k is a mode of the vortex wavesgenerated by the high order vortex wave antenna, k=0, 1, 2 . . . (M−1);{dot over (A)}_(n) ^(p,k)(t) is modulated information carried by asecond order vortex wave generated by loading a p mode vortex signal ofthe uniform circle array antenna to a k mode vortex signal of the highorder vortex wave antenna; and ((k+p))_(N) is k+p mod N; The presentinvention further provides a high order vortex wave receiving devicecharacterized by comprising the high order vortex wave antenna asdescribed above, a mode controller, a N mode separator and a M modeseparator; wherein said mode controller is configured to control signalinputting, grouping and outputting of the N mode separator and the Mmode separator; said high order vortex wave antenna is configured toreceive high order vortex waves and input element responses to the Nmode separator in parallel, said N mode separator is configured tosubject the input signals to N mode separation and output separatedresults to the M mode separator, and said M mode separator is configuredto subject signals transmitted by the N mode separator to M modeseparation and output separated results to obtain modulated informationcarried by the high order vortex waves.

The present invention further provides a method for receiving high ordervortex waves, characterized by comprising steps of:

1) receiving, by a high order vortex wave antenna, high order vortexwave signals, and generating, by a m^(th) antenna array element on an^(th) uniform circle array antenna, response signals {tilde over(y)}_(n) ^((m))(t);

2) subjecting, by a N mode separator, signals {tilde over (y)}_(n)^((m))(t) to N mode separation to obtain signals {tilde over (s)}_(n)^((m))(t);

3) grouping signals {tilde over (s)}_(n) ^((m))(t) and inputting them toa Mmode separator;

4) subjecting, by a M mode separator, signals {tilde over (s)}_(n)^((m))(t) to M mode separation to obtain signals Ã_(n) ^((m))(t) andobtaining, from signals Ã_(n) ^((m))(t), modulated information carriedby the high order vortex waves.

Further, the response signal generated by the m^(th) antenna arrayelement on the n^(th) uniform circle array antenna in the high ordervortex wave antenna is:

${{\overset{\sim}{y}}_{n}^{(m)}(t)} = {H \cdot {\sum\limits_{k = 0}^{N - 1}\; {\sum\limits_{p = 0}^{M - 1}\; {{{\overset{.}{A}}_{n}^{p,k}(t)}e^{j{({{{p \cdot \frac{2\pi}{M}}m} + {{({({k + p})})}_{N} \cdot \frac{2\pi}{N} \cdot n}})}}}}}}$

wherein, H is a space transmission channel function of high order vortexwave signals, p is a mode of the vortex waves generated by the uniformcircle array antenna, p=0, 1, 2 . . . (N−1); k is a mode of the vortexwaves generated by the high order vortex wave antenna, k=0, 1, 2 . . .(M−1); {dot over (A)}_(n) ^(p,k)(t) is modulated information carried bya second order vortex wave generated by loading a p mode vortex signalof the uniform circle array antenna to a k mode vortex signal of thehigh order vortex wave antenna; and ((k+p))_(N) is k+p mod N.

The beneficial effect of the present invention is as follows. Thepresent invention combines the uniform circle array (UCA) structure withthe fractal nesting theory and proposes a UCA rotationally fractallynested high order vortex wave antenna element layout structure. Auniform circle array antenna with a radius of r₁ and the number ofelements of M may generate M vortex signals of different modes, and ahigh order vortex wave antenna with a radius of r₂ using N uniformcircle array antennas as elements may further generate N vortex signalsof different modes. Modulating the multi-mode vortex waves generated bythe uniform circle array antenna onto one mode of the multi-mode vortexsignals generated by the uniform circle array antenna may generate highorder vortex wave signals. Accordingly, spatial high order vortex wavesignals are received with the high order vortex wave antenna ofrotationally and fractally nested structure and responses are generatedon N uniform circle array antennas. Separated reduced order vortex waveinformation corresponding to elements is grouped according to theelement relationship. Then modulated information carried on high ordervortex waves is separated from the reduced order vortex waves group bygroup.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a structure diagram of a high order vortex wave antennaaccording to the present invention.

FIG. 2 is an general view of a method for generating and receiving highorder vortex waves according to the present invention.

FIG. 3 is a principle diagram of a high order vortex wave generatingdevice according to the present invention.

FIG. 4 is a principle diagram of a high order vortex wave receivingdevice according to the present invention.

Reference numerals: 1—high order vortex wave antenna, 2—N×m phaseshifter, 3—M×N phase shifter, 4—parameter controller, 5—N modeseparator, 6—M mode separator, 7—mode controller.

DETAILED DESCRIPTION

The the present invention provides a rotationally, fractally nested highorder vortex wave transmitting and receiving antenna layout structurefacing an uniform circle array (UCA) and provides a method forgenerating and receiving and separating high order multi-mode vortexwaves with UCA rotationally fractally nested high order vortex waveantenna and a device for implementing the same.

Referring to FIG. 1, the high order vortex wave antenna of the presentinvention is of a UCA nested structure without mutual crossing formed ofN copies of a uniform circle array (UCA) antenna with a radius of r₁ anelement spacing d≤2≤λ/2 (λ, being the carrier wave's wavelength) and thenumber of elements of A/by distributing them on a circle with a radiusof r₂ with equal intervals after rotating them in the same direction by

$\alpha_{n} = {\frac{2{\pi \cdot n}}{N}\left( {{n = 0},1,\ldots \mspace{14mu},{N - 1}} \right)}$

sequentially, and wherein the minimum value of spacing between differentelements of two UCAs with the radius of r₁ on the circle with the radiusof r₂ is greater than or equal to λ/2, and the high order vortex wavetransmitting and receiving antenna structure is characterized byrotationally fractally nested UCA.

Denoting the UCA with radius of r₁ in the antenna as UCA_(n) n=0, 1, . .. , N−1) and establishing a frame of reference from the geometric centerof the antenna, the UCA_(n) n=0, 1, . . . , N−1) are on a circle withradius of r₂ and rotated by

$\alpha_{n} = {\frac{2{\pi \cdot n}}{N}\left( {{n = 0},1,\ldots \mspace{14mu},{N - 1}} \right)}$

one by one, then the element No. 0 of UCA_(n) n=0, 1, . . . , N−1) is ona circle with radius of r₁+r₂, the element No. 1 of UCA_(n) n=0, 1, . .. , N−1) is also on the same circle, and so on, and finally the elementNo. M−1 of UCA_(n) n=0, 1, . . . , N−1) is also on the same circle.

Referring to FIG. 2, the method for generating multi-mode high ordersignals at the receiving side of the rotationally fractally nested highorder vortex wave facing UCA is to generate high order vortex wavesignals with UCA rotationally fractally nested antenna. It is known fromthe UCA rotationally fractally nested antenna element layout structure,a UCA with a radius of r₁ and the number of elements of may generate mvortex signals of different modes by itself; taking a UCA with a radiusof r₁ and the number of elements of M as an element, a UCA with a radiusof r₂ may then generate N vortex signals of different modes; modulatingthe multi-mode vortex waves generated by the UCA with the radius of r₁onto one mode of the multi-mode vortex signals generated by the UCA witha radius of r₂ would generate the high order vortex wave signalsdescribed in the present invention.

The method for receiving multi-mode high order vortex wave signals atthe receiving side of rotationally fractally nested high order vortexwaves facing UCA is to receive spatial high order vortex wave signalsusing UCA rotationally fractally nested antenna. According to the UCArotationally fractally nested high order vortex wave antenna arraylayout structure, responses of the same element serial numbers areobtained sequentially in N UCAs with the radius of r₁ and the number ofelements of M on the radius of r₂ firstly, and the obtained responsesare subjected to N-point spatial orthogonal transformation which canextract reduced order vortex wave information of corresponding elementsthat are grouped according to their relationship with correspondingelements of the N UCAs with a radius of r₁ and the number of elements ofM, then the reduced order vortex wave information is subjected toM-point spatial orthogonal transformation according to groupsrespectively, which may extract the modulated information carried on thehigh order vortex waves.

Referring to FIG. 3, a frame of reference is established based on thegeometric center of the high order vortex wave antenna 1 and denoted asXOY, and frames of reference are established based on respective centersof UCA_(n), (n=0, 1, . . . , N−1) and denoted as XOY n=0, 1, . . . ,N−1), and XOY is a translated rotation of XOY (with a rotation angle of

${\alpha_{n} = \frac{2{\pi \cdot n}}{N}},$

n=0, 1, . . . , N−1). Under the frame of reference XOY, UCA_(n),generates high order multi-mode vortex wave signals:

$\begin{matrix}{{y_{1}\left( {t,\beta,\alpha} \right)} = {\sum\limits_{k = 0}^{N - 1}\; {\sum\limits_{p = 0}^{M - 1}{{{\overset{.}{A}}_{n}^{p,k}(t)}e^{j{({{p \cdot \beta} + {{({({k + p})})}_{N} \cdot \alpha}})}}}}}} & (1)\end{matrix}$

wherein {dot over (A)}_(n) ^(p,k)(t) (k=0, 1, . . . , N−1, p=0, 1, . . ., M−1) is the modulated information carried by the second order vortexwaves generated by loading UCA_(n)'s p mode vortex signals onto the kmode vortex signals of the UCA with UCA_(n), as elements, p is thevortex wave mode generated by UCA_(n), (n=0, 1, . . . , N−1) (the numberof elements of UCA_(n), is M, therefore p=0, 1, . . . , M−1), k is thevortex wave mode generated by the UCA consisting of UCA_(n), (n=0, 1, .. . , N−1) as elements, a is the azimuthal angle of the propagationdirection of the vortex waves generated by the UCA with UCA_(n), (n=0,1, . . . , N−1) as elements, β is the azimuthal angle of the propagationdirection of the vortex waves generated by UCA_(n), (n=0, 1, . . . ,N−1), and ((k+p))_(N) is k+p mod N;

The stimulation corresponding to element UCA_(n) ^((m)) (n=0, 1, . . . ,N−1,=0, 1, . . . , M−1) in the high order vortex wave UCA rotationallyfractally nested antenna is

$\begin{matrix}{{y_{n}^{(m)}(t)} = {\sum\limits_{k = 0}^{N - 1}\; {\sum\limits_{p = 0}^{M - 1}\; {{{\overset{.}{A}}_{n}^{p,k}(t)}e^{j{({{{p \cdot \frac{2\pi}{M}}m} + {{({({k + p})})}_{N} \cdot \frac{2\pi}{N} \cdot n}})}}}}}} & (2)\end{matrix}$

In FIG. 3, using y_(n) ^((m))(t) as the stimulation for element UCA_(n)^((m)) _(n)=0, 1, . . . N−1, . . . , N−1, m=0, 1, . . . , M−1) maygenerate the high order vortex wave signals described in the presentinvention. The vortex waves that may be generated with the antennaaccording to the present invention is of the second order and themaximum value of the generated signals is NM.

The method for separating multi-mode high order vortex waves is asfollows. The two communicating parties apply the antenna described inthe present invention both of which operate in the high order vortexwave TX/RX mode and have their TX/RX antennas aligned in parallel. Asshown in FIG. 4, in the plane in which the receiving antenna elementsare located, a frame of reference, denoted as XOY′, is established basedon the geometric center of the antenna, and independent frames ofreference denoted as XOY_(n)′=0, 1, . . . , N−1) respectively areestablished based on respective centers of UCA_(n) n=0, 1, . . . , N−1)and XOY_(n)′ is XOY's translation and rotation

${\alpha_{n} = {\frac{2{\pi \cdot n}}{N}\left( {{n = 0},1,\ldots \mspace{14mu},{N - 1}} \right)}},$

and responses of individual elements are {tilde over (y)}_(n) ^((i))(t)(i=0, 1, . . . , M−1, n=0, 1, . . . , N−1). {{tilde over (y)}₀ ⁽⁰⁾,{tilde over (y)}₁ ⁽⁰⁾(t), . . . , {tilde over (y)}_(N-1) ⁽⁰⁾(t)} issubjected to FFT spatial orthogonal separation to obtain {{tilde over(s)}₀ ⁽⁰⁾(t), {tilde over (s)}₁ ⁽⁰⁾(t), . . . , {tilde over (s)}_(N-1)⁽⁰⁾(t)}, {{tilde over (y)}₀ ⁽¹⁾(t), {tilde over (y)}₁ ⁽¹⁾(t), . . . ,{tilde over (y)}_(N-1) ⁽¹⁾(t)} is subjected to FFT spatial orthogonalseparation to obtain {{tilde over (s)}₀ ⁽¹⁾(t), {tilde over (s)}₁⁽¹⁾(t), . . . , {tilde over (s)}_(N-1) ⁽¹⁾(t)} similarly, and so on,until {{tilde over (y)}₀ ^((M-1))(t), {tilde over (y)}₁ ^((M-1))(t), . .. , {tilde over (y)}_(N-1) ^((M-1))(t)} is subjected to FFT spatialorthogonal separation to obtain {{tilde over (s)}₀ ^((M-1))(t), {tildeover (s)}₁ ^((M-1))(t), . . . , {tilde over (s)}_(N-1) ^((M-1))(t)}.Then {{tilde over (s)}_(n) ⁽⁰⁾(t), {tilde over (s)}_(n) ⁽¹⁾(t), . . . ,{tilde over (s)}_(n) ^((M-1))(t)} is subjected to FFT spatial orthogonalseparation to obtain modulated information carried by UCA_(n)'s M modevortex wave signals. Traversing n=0, 1, . . . , N−1 may separate allmodulated information carried by high order vortex waves from {{tildeover (s)}_(n) ⁽⁰⁾(t), {tilde over (s)}_(n) ⁽¹⁾(t), . . . , {tilde over(s)}_(n) ^((M-1))(t)}.

The method for separating high order vortex wave signals includes thefollowing steps.

(a) Received signals are denoted as {tilde over (y)}(t), then it holds

$\begin{matrix}{{{\overset{\sim}{y}}_{1}(t)} = {H \cdot {\sum\limits_{k = 0}^{N - 1}\; {\sum\limits_{p = 0}^{M - 1}{{{\overset{.}{A}}_{n}^{p,k}(t)}e^{j{({{p \cdot \beta} + {{({({k + p})})}_{N} \cdot \alpha}})}}}}}}} & (3)\end{matrix}$

wherein k=0, 1, . . . , N−1, p=0, 1, . . . , M−1 and H are channelfunctions;

(b) The high order vortex wave signals received by the receiving antennaelement UCA_(n) ^((m)) (n=0, 1, . . . , N−1, =0, 1, . . . , M−1) are

$\begin{matrix}{{{\overset{\sim}{y}}_{n}^{(m)}(t)} = {H \cdot {\sum\limits_{k = 0}^{N - 1}\; {\sum\limits_{p = 0}^{M - 1}\; {{{\overset{.}{A}}_{n}^{p,k}(t)}e^{j{({{{p \cdot \frac{2\pi}{M}}m} + {{({({k + p})})}_{N} \cdot \frac{2\pi}{N} \cdot n}})}}}}}}} & (4)\end{matrix}$

wherein n=0, 1, . . . , N−1, m=0, 1, . . . , M−1;

(c) {{tilde over (y)}₀ ^((m))(t), {tilde over (y)}₁ ^((m))(t), . . . ,{tilde over (y)}_(N-1) ^((m))(t)} is subjected to N mode separation andit comes that

$\begin{matrix}{{{\overset{\sim}{s}}_{n}^{(m)}(t)} = {\sum\limits_{k = 0}^{N - 1}{{{\overset{\sim}{y}}_{n}^{(m)}(t)} \cdot e^{{{- j} \cdot n \cdot \frac{2\pi}{N}}k}}}} & (5)\end{matrix}$

wherein m=0, 1, M−1, k=0, 1, . . . , N−1;

(d) {{tilde over (s)}_(n) ⁽⁰⁾(t), {tilde over (s)}_(n) ⁽¹⁾(t), . . . ,{tilde over (s)}_(n) ^((M-1))(t)} is subjected to M mode separation andit comes that

$\begin{matrix}{{{\overset{.}{A}}_{n}^{p}(t)} = {\frac{1}{H}{\sum\limits_{p = 0}^{M - 1}{{{\overset{\sim}{s}}_{n}^{(m)}(t)} \cdot e^{{- j} \cdot p \cdot \frac{2\pi}{M} \cdot m}}}}} & (6)\end{matrix}$

wherein p=0, 1, . . . , M−1, {dot over (A)}_(n) ^(p)(t) obtainsinformation (containing amplitude and phase) from the p mode vortexsignals of UCA_(n) n=0, 1, . . . , N−1) and traversing n=0, 1, . . . ,N−1 may obtain all modulated information carried by the high ordervortex waves described in the present invention.

For those skilled in the art, it is possible to make variouscorresponding changes and modifications according to the above-mentionedtechnical solution and concepts while all these changes andmodifications should be encompassed in the scope of the claims of thepresent invention.

1. A high order vortex wave antenna characterized by comprising Nuniform circle array antennas; wherein said uniform circle array antennacomprises M antenna array elements distributed uniformly in axialsymmetry on a first circle with a radius of r₁, and each antenna arrayelement coincides with an adjacent element after rotating around acenter of the first circle by an angle of 2π/M; and centers of the firstcircles of all uniform circle array antennas are distributed uniformlyin axial symmetry on a second circle with a radius of r₂, and eachuniform circle array antenna coincides with an adjacent uniform circlearray antenna after rotating around a center of the second circle by anangle of 2π/N.
 2. The high order vortex wave antenna of claim 1,characterized in that a spacing between two adjacent elemental antennasis greater than λ/2, and a spacing between two adjacent uniform circlearray antennas is greater than λ/2, wherein λ is a wavelength of carrierwave.
 3. A device for generating high order vortex waves characterizedby comprising the high order vortex wave antenna of claim 1, a parametercontroller, a N×M phase shifter and a M×N phase shifter; wherein saidparameter controller is configured to control signal input, grouping andoutput of the N×M phase shifter and the M×N phase shifter; said N×Mphase shifter is configured to phase shift the input signals and outputphase shifted results to the M×N phase shifter, said M×N phase shifteris configured to phase shift signals transmitted by the N×M phaseshifter and output them to the high order vortex wave antenna, and saidhigh order vortex wave antenna uses the signals transmitted by the M×Nphase shifter as stimulation to generate high order vortex waves.
 4. Amethod for generating high order vortex waves, characterized bycomprising steps of: 1) phase shifting, by the N×M phase shifter, theinput signals A_(n) ^((m))(t) to generate signals s_(n) ^((m))(t);wherein n is a count of uniform circle array antennas in the high ordervortex wave antennas, n=0, 1, 2 . . . (N−1); m is a count of antennaarray elements in the uniform circle array antenna, m=0, 1, 2 . . .(M−1); 2) grouping signals s_(n) ^((m))(t) and outputting them to theM×N phase shifter; 3) phase shifting, by the M×N phase shifter, signalss_(n) ^((m))(t), generating and outputting signals y_(n) ^((m))(t); and4) using the signals y_(n) ^((m))(t) as a stimulation for a m^(th)antenna array element on a n^(th) uniform circle array antenna in thehigh order vortex wave antenna to generate high order vortex wavesignals.
 5. The method for generating high order vortex waves of claim4, characterized in that the stimulation for the m^(th) antenna arrayelement on the n^(th) uniform circle array antenna in the high ordervortex wave antenna is:${y_{n}^{(m)}(t)} = {\sum\limits_{k = 0}^{N - 1}\; {\sum\limits_{p = 0}^{M - 1}\; {{{\overset{.}{A}}_{n}^{p,k}(t)}e^{j{({{{p \cdot \frac{2\pi}{M}}m} + {{({({k + p})})}_{N} \cdot \frac{2\pi}{N} \cdot n}})}}}}}$wherein, p is a mode of the vortex waves generated by the uniform circlearray antenna, p=0, 1, 2 . . . (N−1); k is a mode of the vortex wavesgenerated by the high order vortex wave antenna, k=0, 1, 2 . . . (M−1);{dot over (A)}_(n) ^(p,k)(t) is modulated information carried by asecond order vortex wave generated by loading a p mode vortex signal ofthe uniform circle array antenna to a k mode vortex signal of the highorder vortex wave antenna; and ((k+p))_(N) is k+p mod N;
 6. A high ordervortex wave receiving device characterized by comprising the high ordervortex wave antenna of claim 1, a mode controller, a N mode separatorand a M mode separator; wherein said mode controller is configured tocontrol signal inputting, grouping and outputting of the N modeseparator and the M mode separator; said high order vortex wave antennais configured to receive high order vortex waves and input elementresponses to the N mode separator in parallel, said N mode separator isconfigured to subject the input signals to N mode separation and outputseparated results to the M mode separator, and said M mode separator isconfigured to subject signals transmitted by the N mode separator to Mmode separation and output separated results to obtain modulatedinformation carried by the high order vortex waves.
 7. A method forreceiving high order vortex waves, characterized by comprising stepsof: 1) receiving, by a high order vortex wave antenna, high order vortexwave signals, and generating, by a m^(th) antenna array element on an^(th) uniform circle array antenna, response signals {tilde over(y)}_(n) ^((m))(t); 2) subjecting, by a N mode separator, signals {tildeover (y)}_(n) ^((m))(t) to N mode separation to obtain signals {tildeover (s)}_(n) ^((m))(t); 3) grouping signals {tilde over (s)}_(n)^((m))(t) and inputting them to a Mmode separator; 4) subjecting, by a Mmode separator, signals {tilde over (s)}_(n) ^((m))(t) to M modeseparation to obtain signals Ã_(n) ^((m))(t) and obtaining, from signalsÃ_(n) ^((m))(t) modulated information carried by the high order vortexwaves.
 8. The method for receiving high order vortex waves of claim 7,characterized in that response signal generated by the m^(th) antennaarray element on the n^(th) uniform circle array antenna in the highorder vortex wave antenna is:${{\overset{\sim}{y}}_{n}^{(m)}(t)} = {H \cdot {\sum\limits_{k = 0}^{N - 1}\; {\sum\limits_{p = 0}^{M - 1}\; {{{\overset{.}{A}}_{n}^{p,k}(t)}e^{j{({{{p \cdot \frac{2\pi}{M}}m} + {{({({k + p})})}_{N} \cdot \frac{2\pi}{N} \cdot n}})}}}}}}$wherein, H is a space transmission channel function of high order vortexwave signals, p is a mode of the vortex waves generated by the uniformcircle array antenna, p=0, 1, 2 . . . (N−1); k is a mode of the vortexwaves generated by the high order vortex wave antenna, k=0, 1, 2 . . .(M−1); {dot over (A)}_(n) ^(p,k)(t) is modulated information carried bya second order vortex wave generated by loading a p mode vortex signalof the uniform circle array antenna to a k mode vortex signal of thehigh order vortex wave antenna; and ((k+p))_(N) is k+p mod N.